Macworld Conference & Expo 2009 ( is now
open for registration(/a). Show organizer, IDG, has launched a
revamped web site with new features and functionality, including
several Web 2.0 elements that allow users to interact with other
Macworld attendees and Mac users through Facebook, MySpace, and the
Macworld Expo proprietary social network.

Macworld Conference & Expo 2009 will be held Jan. 5-9 in San
Francisco. : There are a number of different registration
options available, depending on what parts of the Macworld you want
to see.